An in-house digital telephone system that connects to a number of dedicated system phones. The major difference between a traditional key system and a PBX is that each key system telephone has buttons ...

With hundreds or thousands of physical keys on a campus, there are many reasons to make planning for control and management of those keys a fundamental component of campus security programming.

Encryption systems used by businesses fall into two broad categories. Private key, or secret key, systems use the same key to encrypt and decrypt data, so you need to keep your key hidden so that no ...